/*
 * Copyright (c) 2010, Michael Hengler (developer (at) hengler (dot) de),
 * Nikolaus Moll (developer (at) miblounge (dot) net).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the [QTPRJ] nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL [QTPRJ] BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package joodin.impl.widgets.internal;

import java.awt.image.BufferedImage;
import java.io.IOException;

import javax.imageio.ImageIO;

import joodin.impl.application.util.ApplicationWrapper;
import joodin.impl.image.VaadinImageHandleFactorySpi;
import joodin.impl.image.VaadinImageRegistry;
import joodin.impl.widgets.VaadinControl;
import my.stuff.vaadin.miglayout.ImageHandler;
import my.stuff.vaadin.miglayout.util.Size;

import org.jowidgets.common.image.IImageConstant;
import org.jowidgets.spi.widgets.IIconSpi;
import org.jowidgets.spi.widgets.setup.IIconSetupSpi;

import com.vaadin.terminal.FileResource;
import com.vaadin.terminal.Resource;
import com.vaadin.terminal.StreamResource;

public class IconImpl extends VaadinControl implements IIconSpi {

	private final VaadinImageRegistry imageRegistry;

	// TODO: evtl Fehlerquelle weil kein Parent angegeben wird
	public IconImpl(final VaadinImageRegistry imageRegistry, final IIconSetupSpi setup) {
		super(new ImageHandler());
		this.imageRegistry = imageRegistry;
		setIcon(setup.getIcon());
	}
 
	@Override
	public void setIcon(final IImageConstant icon) {
		if(icon == null){
			getUiReference().setImage(null, 0,0);
			return;
		}
		
		Resource res = imageRegistry.getImage(icon);
		int originalWidth = 0;
		int originalHeight = 0;
		
		if(res instanceof FileResource){
			try {
				BufferedImage image = ImageIO.read(((FileResource) res).getSourceFile());
				originalHeight = image.getHeight();
				originalWidth = image.getWidth();
			} catch (IOException e) {
				throw new RuntimeException("Could not open file " + ((FileResource) res).getSourceFile());
			}
		}
		else if(res instanceof StreamResource){
			try {
				BufferedImage image = ImageIO.read(((StreamResource)res).getStreamSource().getStream());
				originalHeight = image.getHeight();
				originalWidth = image.getWidth();
			} catch (IOException e) {
				throw new RuntimeException("Could not open stream " + ((StreamResource)res).getStreamSource().getStream());
			}
		}
		
		Size prefSize = VaadinImageHandleFactorySpi.getSizeMap(res);
		
		ImageHandler scale = getUiReference();
		
		if(prefSize != null){
			scale.setPreferredWidth(prefSize.getWidth());
			scale.setPreferredHeight(prefSize.getHeight());
		}
		
		scale.setImage( res, originalWidth, originalHeight);
		
		ApplicationWrapper.getPusher().push();
	}

	@Override
	public ImageHandler getUiReference() {
		return (ImageHandler) super.getUiReference();
	}

	@Override
	public void setToolTipText(final String text) {
		getUiReference().setDescription(text);
	}

}
